Manufacturer | Bar's Leaks |
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Brand | Bar's Leaks |
Model | 1040 |
Item Weight | 1.1 pounds |
Product Dimensions | 1.9 x 3.4 x 7.7 inches |
Country of Origin | USA |
Item model number | 1040 |
Is Discontinued By Manufacturer | No |
Manufacturer Part Number | 1040 |
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Bar's Leaks Rear Main Seal Repair, 16.9 oz
Purchase options and add-ons
Brand | Bar's Leaks |
Package Information | Bottle |
Liquid Volume | 16.9 Fluid Ounces |
Item Weight | 1.1 Pounds |
About this item
- Seals timing cover, cam seal, rear main and other hard to stop oil leaks
- Add to engine oil
- Specifically designed to seal rear main leaks, but also works better than a conventional stop leak on all other leaks
- Add entire bottle of Rear Main Seal Repair to engine crankcase (where you add oil) at or between oil changes. Do not overfill. Most leaks will stop within 100 miles or 2 days of driving
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This Item Bar's Leaks Rear Main Seal Repair, 16.9 oz | Recommendations | dummy | dummy | |
Try again! Added to Cart | Try again! Added to Cart | Try again! Added to Cart | Try again! Added to Cart | |
Price | $9.75$9.75 | -38% $37.28$37.28 List: $59.99 | $36.99$36.99 | $23.99$23.99 |
Delivery | Get it as soon as Monday, Mar 25 | Get it as soon as Monday, Mar 25 | Get it as soon as Monday, Mar 25 | — |
Customer Ratings | ||||
Easy to use | 4.5 | — | 4.8 | 4.4 |
Mileage | 3.9 | — | 4.4 | 3.8 |
Value for money | 3.9 | — | 4.4 | 3.7 |
Sold By | Amazon.com | Amazon.com | doxa-worldwide | Highflyer214 |
liquid volume | 16.9 fluid ounces | 16.9 fluid ounces | 8 fluid ounces | 32 fluid ounces |
weight | 1.1 pounds | 16.9 ounces | 0.01 ounces | 2 pounds |
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From the manufacturer
Does Your Vehicle Leak Oil?
If Yes, then You've Navigated to the Right Place. Bar's Leaks has got You Covered.
This product works in two ways to help solve most any seal type leak. 1) The seal restorer additive restores seal size, flexibility and elasticity lost due to engine heat, age and high mileage. 2) The seal polymer works by building a polymeric film around the rear main seal and also filling in any groove worn into the crankshaft by the seal.
What are the symptoms of a rear main seal leak?
Depending on the severity of the leak the first thing you may notice is the oil level going down. The next thing that happens is spotting, where you will find oil spots, located on the driveway or garage.
Will Bar’s Leaks Rear Main Seal Repair work on other oil leaks?
Yes. Even though it is specially designed to seal rear main leaks, it also works better than a conventional stop leak on all other engine oil leaks. This includes the timing cover seal, cam seals, O-rings and other seals and gaskets.
Questions to Ask Yourself?
- Is my oil level low?
- Is the leaking fluid dark and or golden brown?
- Is my engine getting hot or running rough?
- Do I really want to pay for an expensive mechanic?
- If you answered YES to any of these questions than Bar's Leaks Enigne Oil Stop Leak is for you.
Low Oil Level? | Oil Leak Problem? | Hearing Loud Sounds from the Engine? | Temperature Warning Light? | |
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Customer Reviews |
4.2 out of 5 stars
2,421
|
4.0 out of 5 stars
300
|
4.3 out of 5 stars
2,164
|
4.3 out of 5 stars
281
|
Identify the Symptoms | My engine is reading low oil levels and may be leaking. | Black or dark golden brown spots or puddles beneath my car. | I'm hearing a ticking or knocking sound coming from the top of my engine. | I have a temperature warning light or temperature gauge is at high end. |
Best Solution | Bar's Leaks Rear Main Seal Repair Concentrate can stop an oil leak before it can lead to a unplanned costly repair down the road. | An oil leak may start out small, but can lead to a unplanned costly repair down the road. Use Bar's Leaks Main Seal Motor Oil Leak Repair to stop leaks and continue on down the road. | Bar's Leaks Engine Repair | Bar's Leaks Cooling System Repair |
Alternative Solutions | Bar's Leaks Main Seal Motor Oil Leak Repair | Bar's Leaks Rear Main Seal Repair Concentrate | Bar's Leaks Main Seal Motor Oil Leak Repair | Bar's Leaks Liquid Aluminum Stop Leak |
High Mileage Engine Repair 1000 | Engine Oil Stop Leak Concentrate 1010 | Rear Main Seal Repair 1040 | One Seal Stop Leak 1334 | Oil Seal Engine Oil Burning & Leak Repair OS-1 | |
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Customer Reviews |
4.3 out of 5 stars
2,164
|
4.2 out of 5 stars
717
|
4.2 out of 5 stars
2,421
|
4.0 out of 5 stars
76
|
4.1 out of 5 stars
2,885
|
Small Oil Leaks – Need to Add Oil 1 X per Month | Standard | Standard | Standard | Standard | Best |
Medium Oil Leaks – Need to Add Oil 1 X per Week | Standard | Standard | Best | ||
Large Oil Leaks – Need to Add Oil 1 X per Day | Best | ||||
Smoking – Blue Smoke from Exhaust | Standard | Best | |||
Oil Consumption – Losing Oil Between Oil Changes | Best | ||||
Engine Noise – Ticking Lifter, Chatter | Best | ||||
Loss of Compression – Engine Blow-by | Best | ||||
Low Oil Pressure | Best | ||||
Hardened Valve Seals | Best | ||||
Worn Valve Guides | Best |
Each individual Bar’s Leaks product is formulated and manufactured right here in the U.S.A. We’re committed to creating fast and affordable products that fit perfectly into your lifestyle and budget. Choose Bar’s Leaks, so you can discover just how simple automotive maintenance can be when you have the right tools.
Bar’s Leaks. Stop Leaks. Not Life.
Bar’s Leaks is more than just a stop-leak company
We are a team of enthusiasts and experts who create memorable experiences with each and every one of our customers. With over 75 years of experience in helping everyday automobile owners repair leaks, we have the track record of success and long history that demonstrates our commitment and passion to helping drivers of all experience levels. You’ll see that our passion shines through in everything we do.
Product Description
Have you noticed oil leaking from your car lately? Many car owners fear the puddle they see forming under their vehicles, and many worry about the time and cost to make it go away. That leak might be due to worn or dried seals. There’s no need to worry or spend your money on a costly repair bill, however. Our Bar’s Leaks Concentrated Rear Main Seal Repair quickly and safely restores those seals so you can get back on the road. Bar’s Leaks is the leader that specializes in chemical solutions for rear main seal leaks and other automotive issues. Our products are effective and affordable. And they’re easy to use, too. If you know how to pop the hood on your car, you can install our rear oil seal solution. We design our products for ease of use, because a good solution isn’t very helpful to everyday drivers if they can’t use it. At Bar’s Leaks, we do everything we can to get you back on the road in good condition just as quickly as possible, by offering rear main seal leak products and much more. Most rear main seal leaks are caused by a combination of normal wear in the crankshaft and seal combined with the drying, hardening and shrinking of the main seal. Bar’s Leaks Concentrated Rear Main Seal Repair restores the seal to like-new condition, and also contains additives to stop leaks in severely worn seals and crankshafts. Not to mention, it works with ALL gasoline and diesel engines using conventional, high mileage and synthetic oil. We’ve gone to great lengths to ensure that our rear oil seal solution is working for you in all possible ways. You can count on us for a rear main seal leak that takes care of your problems and helps prevent future leaking. You can trust that our products are the fastest, safest way to get your show back on the road — we’ve been proving that since 1947.
Product information
Technical Details
Additional Information
ASIN | B00754T6TK |
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Customer Reviews |
4.2 out of 5 stars |
Best Sellers Rank | #3,219 in Automotive (See Top 100 in Automotive) #8 in Fuel Additives |
Date First Available | February 3, 2012 |
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Customer reviews
Customer Reviews, including Product Star Ratings help customers to learn more about the product and decide whether it is the right product for them.
To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzed reviews to verify trustworthiness.
Learn more how customers reviews work on AmazonCustomers say
Customers have mixed opinions about the quality, value, and leakage of the machine lubricant.
AI-generated from the text of customer reviews
Customers are mixed about the leakage of the machine lubricant. Some mention that there was almost no leak after using it on a 2000 Chrysler Cirrus with the Mitsubishi motor V6. However, others say that the oil still leaks, but it slowed down.
"...After a week, the leak was barely noticable, just the bottom of the transmission housing felt a little oily, but no puddle/stains in the driveway...." Read more
"I had to do two treatments, but I believe it has definitely stopped my oil leak" Read more
"Well it sure slowed the leak down a lot. It’s a pretty bad leak so I’m getting another bottle and hopefully it stops it completely." Read more
"...Great product! No leaking at all." Read more
Customers are mixed about the quality of the machine lubricant. Some mention that it works great, while others say that it didn't work at all for them.
"I love this product. Worked perfectly on my audio q5 on consumption." Read more
"...1: Only oil goes in the crankcase, nothing else#2: Snake oil does not work, especially for a long term solution, fix the real problem instead..." Read more
"...I tried this and it works extremely well. NO sign of any issues at all, other than the oil is not on the pavement or my garage floor...." Read more
"Didn’t work for me" Read more
Customers are mixed about the value of the machine lubricant. Some mention it's great value, cheap enough to try again, and saves you money on expensive repair. However, others say that it'll waste your money on an expensive repair and is useless.
"...Does not seem to hurt anything and the price was great." Read more
"Product doesn’t work on my GMC Yukon it was total waste of money" Read more
"...But I have had no issue for 6 months. WORTH EVERY PENNY" Read more
"...oil leak and it failed it's just a lot of hype and bs it's just a waste of money." Read more
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Top reviews
Top reviews from the United States
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#1: Only oil goes in the crankcase, nothing else
#2: Snake oil does not work, especially for a long term solution, fix the real problem instead of throwing money and additives at the problem that ultimately may do more harm than good
I have a small block ford engine that has a notorious rear main seal leak, drips engine oil right at the transmission bell housing. Started small and got worse. This is a well documented problem, and the transmission must be pulled to replace the seal. I have heard many stories of people who have replaced the seal, only to have the brand new one leak too, people have tried crankshaft sleeves to make the fit tighter, and with mixed results. I did not want to go down this road unless I had no other option.
I did a little research on this product, and the reviews are mixed. I have not heard any horror stories worse than "it didn't help and I wasted my money on this product", and from what I understand it works completely differently than the "leak stop" additives you would use for a head gasket, coolant leak, air conditioning system leak, or tire leak. All the latter leak stop additives are adhesive products which are glues and materials designed to fill cracks/voids and cure on contact with air. This product works differently. This product is not an adhesive of any kind and does not leave any residue. It is basically a solvent that attacks rubber and causes it to swell. This makes the seals fit a little tighter if the only problem is a seal is a little old or dried out. If the seal is cracked, deformed, or a synthetic material that the active ingredient in this product doesn't react with (its designed for rubber, not corks, silicones, etc), this product will most likely not help.
I dumped this in the oil reservoir. It was already a little low from the leak, so the excess oil in the crankcase was not an issue. Ran the engine for about 30 mins and no change, still same dripping while running. I drove the vehicle every day approx 30 miles. After a week, the leak was barely noticable, just the bottom of the transmission housing felt a little oily, but no puddle/stains in the driveway. After 2-3 weeks, the leak was gone. And I mean gone, not a drop. I was impressed how well this worked on this problem and thought it fixed it permanently. Then about 4000mi later, I did an oil change. For the first few hundred miles after that, no leaks, then after about 1k miles, I noticed the leak started to return. I immediately picked up another bottle of this stuff and dumped it in, about 1 week later, the leak was gone. I now don't even mess around anymore and just add a bottle of this stuff to every oil change, and it is under control, its a small price to pay (even for life of vehicle) to not have to deal with the rear main seal. For me, this product makes a night and day difference, I have been using it for approx 30k miles, but depending on the root cause of your leak, your mileage may vary.